import React, { useEffect, useRef } from "react";
import * as echarts from 'echarts';

export default ()=>{
  let mapRef = useRef<HTMLDivElement>(null);
  useEffect(()=>{
    let barChart = echarts.init(mapRef.current as HTMLDivElement);
    // barChart.setOption(option);
  })
  return (
    <>
    </>
  );
}

